(b) make any and all filings required to be made with the Air
 Authority registry that are within its control and take all
 other actions within its control that are requested by Lessor
 and necessary or advisable to reflect on the Air Authority
 registry any change in the ownership of the Aircraft, or in
 the interests of Lessor, Owner or the Financing Parties in
 this Agreement or the Aircraft, any modification to the
 Aircraft (such as the permanent replacement of any Engine or
 Part in accordance with this Agreement) or as a result of any
 change in applicable law. Lessor will bear any costs incurred
 as a consequence of a transfer by Lessor, Owner or the
 Financing Parties of the interests of Lessor, Owner or the
 Financing Parties in this Agreement or the Aircraft or a
 change in the identity of Lessor, Owner or the Financing
 Parties (in each case, unrelated to the replacement of any
 Engine or Part by Lessee or a Default), and Lessee will bear
 any other costs incurred in complying with this Clause,
 including in connection with the replacement of any Engine or
 Part by Lessee in accordance herewith; and

 (c) do all acts and things (including, without limitation, making
 any filing or registration with the Air Authority or any other
 Government Entity or as required to comply with the Geneva
 Convention where applicable) and execute and deliver all
 documents (including, without limitation, any amendment of
 this Agreement) as may from time to time be required by
 Lessor:

 (i) following any change in the ownership or financing of
 the Aircraft which is permitted pursuant to Clause 14 or
 in the manner of securing Lessor's obligations to the
 Financing Parties, in each case at the cost of Lessor;
 or